Check if an object has a non-inherited property
检查一个对象是否具有非继承属性
The object to check. 要检查的对象
The key to check for. 要检查的键
True if the object has the own property, false otherwise. 如果对象具有该自有属性则返回true，否则返回false
Check if an object has a non-inherited property
检查一个对象是否具有非继承属性